diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0070-sdk_dpaa-ceetm-WQ-CEETM-mode-switchover-cleanup.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0070-sdk_dpaa-ceetm-WQ-CEETM-mode-switchover-cleanup.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0070-sdk_dpaa-ceetm-WQ-CEETM-mode-switchover-cleanup.patch b/target/linux/layerscape/patches-5.4/701-net-0070-sdk_dpaa-ceetm-WQ-CEETM-mode-switchover-cleanup.patch deleted file mode 100644 index 76c0ecacbc..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0070-sdk_dpaa-ceetm-WQ-CEETM-mode-switchover-cleanup.patch +++ /dev/null @@ -1,54 +0,0 @@ -From c095bbc29eeae597c47c90d41fab472be9e14ca6 Mon Sep 17 00:00:00 2001 -From: Camelia Groza <camelia.groza@nxp.com> -Date: Wed, 30 May 2018 15:26:47 +0300 -Subject: [PATCH] sdk_dpaa: ceetm: WQ/CEETM mode switchover cleanup - -Wait for the WQ TX FQs to empty before switching from WQ to CEETM mode. - -Signed-off-by: Camelia Groza <camelia.groza@nxp.com> ---- - .../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c | 26 ++++++++++++++++++++++ - 1 file changed, 26 insertions(+) - ---- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c -+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c -@@ -65,6 +65,31 @@ static void get_dcp_and_sp(struct net_de - } - } - -+/* Wait for the DPAA Eth driver WQ TX FQs to empty */ -+static void dpaa_drain_fqs(struct net_device *dev) -+{ -+ const struct dpa_priv_s *priv = netdev_priv(dev); -+ struct qm_mcr_queryfq_np np; -+ struct qman_fq *fq; -+ int ret, i; -+ -+ for (i = 0; i < DPAA_ETH_TX_QUEUES; i ++) { -+ fq = priv->egress_fqs[i]; -+ while (true) { -+ ret = qman_query_fq_np(fq, &np); -+ if (unlikely(ret)) { -+ pr_err(KBUILD_BASENAME -+ " : %s : unable to query FQ %x: %d\n", -+ __func__, fq->fqid, ret); -+ break; -+ } -+ -+ if (np.frm_cnt == 0) -+ break; -+ } -+ } -+} -+ - /* Enqueue Rejection Notification callback */ - static void ceetm_ern(struct qman_portal *portal, struct qman_fq *fq, - const struct qm_mr_entry *msg) -@@ -1103,6 +1128,7 @@ static int ceetm_init(struct Qdisc *sch, - switch (priv->type) { - case CEETM_ROOT: - netif_tx_stop_all_queues(dev); -+ dpaa_drain_fqs(dev); - ret = ceetm_init_root(sch, priv, qopt, extack); - netif_tx_wake_all_queues(dev); - break; |